Add health and mana update handler/

Signed-off-by: Y.Moon <chglove@live.cn>
Add min and max damage getter/setter

Signed-off-by: Y.Moon <chglove@live.cn>
..

Signed-off-by: Y.Moon <chglove@live.cn>
Add dodge and critical.

Signed-off-by: Y.Moon <chglove@live.cn>